E rua nga waahanga tono nui o nga hua Youfa: te kawe wai me te tautoko hanganga
Ko te wheketere o Youfa Steel Pipe he kaakaariki me te taiao
Ko te putorino maitai paiherea a Youfa he UL me FM kua whakaaetia
Youfa waitohu piauau wera putorino maitai ， 100% te tirotiro kounga, te whai pakiaka
Youfa API 5L torino paiherea paipa maitai
Youfa tapawha me te tapawhā tapawhā paipa maitai me te porowhita haehae paipa maitai whakamātautau rahi
Ka arotahi a Youfa ki te kounga hua paipa maitai